In 1999 the Israeli conductor Daniel Barenboim and the Palestinian writer Edward Said organised a concert in Weimar in which half the performers were Palestinians and the other half Israelis.The performance itself and the rehearsals which preceded it had a lasting effect on all the participants. How far can the relationship between music and politics be used to promote a more peaceful world? That is the central question which motivates this challenging new work by some of the leading musicians and music scholars of our time.....